Notable Friday Option Activity: EXPE, AMZN, PANW

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Expedia Group Inc (EXPE), where a total volume of 31,187 contracts has been traded thus far today, a contract volume which is representative of approximately 3.1 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 142.7% of EXPE's average daily trading volume over the past month, of 2.2 million shares..